Compressor pipeline device

Abstract

The invention provides a compressor pipeline device. The compressor pipeline device comprises two pipeline structures and a supporting mechanism. Wherein the two pipeline structures are detachably arranged on an inlet pipe nozzle and an outlet pipe nozzle of the compressor respectively; the supporting mechanism is arranged on the two pipeline structures and used for supporting the two pipeline structures. According to the compressor, the two pipeline structures are detachably arranged on the inlet pipe nozzle and the outlet pipe nozzle of the compressor correspondingly, so that pipeline installation at the inlet pipe nozzle and the outlet pipe nozzle of the compressor is achieved, a large door-shaped steel structure does not need to be arranged for supporting, the compressor is simple and convenient to use, the height and span of the pipeline structures are reduced, and the construction difficulty and workload are reduced; moreover, the supporting mechanism supports the two pipeline structures, a spring support hanger is not needed, and the safety and reliability of long-time operation of the pipeline structures are ensured.

Description

Technical Field

[0001] The present invention relates to the technical field of compressors, and in particular to a compressor pipeline device. Background Art

[0002] The compressor is one of the most widely used equipment in offshore gas field development. The smooth operation of the compressor is related to the safety of the entire platform system. Affected by the high pressure and vibration of the compressor, the compressor inlet and outlet pipelines are an important but weak link in the platform pipeline system and an important factor affecting the safe operation of the offshore platform.

[0003] Usually, the compressor inlet and outlet pipes are supported by a gate-type steel structure. However, the height and span of the gate-type steel structure of a large compressor can reach 5m, and the stability of the gate-type steel structure is low, which increases the construction workload and construction difficulty. In addition, the force restrictions on the compressor inlet and outlet nozzles are strict. Generally, spring supports and hangers are set near the inlet and outlet pipes to make the force of the compressor inlet and outlet nozzles within the allowable value provided by the manufacturer. However, spring supports and hangers are not widely used on offshore platforms, and the elastic force of the spring changes under long-term operation, posing potential risks to pipeline safety. Summary of the invention

[0004] In view of this, the present invention proposes a compressor pipeline device, aiming to solve the problems in the prior art that the construction of the support structure at the inlet and outlet pipelines of the compressor is difficult and the safety of the pipeline is low.

[0005] The present invention proposes a compressor pipeline device, which includes: two pipeline structures and a supporting mechanism; wherein the two pipeline structures are detachably arranged on the inlet nozzle and the outlet nozzle of the compressor respectively; the supporting mechanism is arranged on the two pipeline structures for supporting the two pipeline structures.

[0006] Furthermore, in the above-mentioned compressor pipeline device, each pipeline structure includes: a step-changing flange, a first elbow, a first straight pipe, a second straight pipe and a connecting mechanism; wherein, the first end of the first elbow is connected to the inlet nozzle or the outlet nozzle of the compressor through the step-changing flange, the second end of the first elbow is connected to the first end of the first straight pipe, and the second end of the first straight pipe is detachably connected to the second straight pipe through the connecting mechanism; each supporting mechanism is arranged on the corresponding second straight pipe.

[0007] Furthermore, in the above-mentioned compressor pipeline device, each pipeline structure also includes: a reducer; wherein the reducer is conical, and the diameter of the top end of the cone of the reducer is smaller than the diameter of the bottom end of the cone; the top end of the cone of the reducer is connected to the step-changing flange, and the bottom end of the cone of the reducer is connected to the first end of the first elbow.

[0008] Furthermore, in the above compressor pipeline device, the connecting mechanism includes: a second elbow and a third elbow; wherein the first end of the second elbow is connected to the second end of the first straight pipe; the first end of the third elbow is connected to the second straight pipe; and the second end of the second elbow is flange-connected to the second end of the third elbow.

[0009] Furthermore, in the above-mentioned compressor pipeline device, the supporting mechanism includes: a bracket and two tube shoes; wherein the two tube shoes are placed on the top of the bracket at intervals, and the two tube shoes correspond to the two pipeline structures one by one, and each tube shoe is connected to the corresponding second straight pipe; each tube shoe includes: a bottom plate, a vertical plate and an arc-shaped guard plate; wherein the bottom plate is placed on the top of the bracket, the first end of the vertical plate is vertically arranged on the bottom plate, the second end of the vertical plate is connected to the guard plate, and the guard plate is connected to the corresponding second straight pipe.

[0010] Furthermore, in the above compressor piping device, each pipe shoe further includes: a plurality of reinforcing plates; wherein each reinforcing plate is respectively arranged on two opposite sides of the vertical plate.

[0011] Furthermore, in the above-mentioned compressor pipeline device, a first limiting assembly and a second limiting assembly can be provided at each tube shoe, the first limiting assembly being used to limit the tube shoe along the length direction of the second straight tube; the second limiting assembly being used to limit the tube shoe along the length direction perpendicular to the second straight tube.

[0012] Furthermore, in the above-mentioned compressor pipeline device, each first limit assembly includes: at least two first limit plates; wherein, the first limit plates are arranged in pairs, and the two first limit plates in each pair are arranged on the bottom plate and respectively placed on both sides of the bracket, and each first limit plate has a preset distance with the bracket.

[0013] Furthermore, in the above-mentioned compressor pipeline device, each second limit assembly includes: at least two second limit plates; wherein, each second limit plate is arranged in pairs, and the two second limit plates in each pair are arranged at the top of the bracket and are respectively placed on both sides of the tube shoe, and each second limit plate has a preset distance from the tube shoe.

[0014] Furthermore, in the above compressor piping device, each second straight pipe is arranged close to the compressor skid; and each second straight pipe is provided with a plurality of pressure gauges and a plurality of temperature gauges arranged at intervals.

[0015] In the present invention, the two pipeline structures are respectively detachably arranged at the inlet nozzle and the outlet nozzle of the compressor to realize the installation of the pipeline at the inlet nozzle and the outlet nozzle of the compressor. There is no need to set up a large door-shaped steel structure for support, which is simple and convenient, reduces the height and span of the pipeline structure, and reduces the construction difficulty and workload. In addition, the supporting mechanism supports the two pipeline structures, improves the stability of the pipeline structure, and there is no need to set up spring supports and hangers, thereby ensuring the safety and reliability of the pipeline structure during long-term operation, and solves the problem of great difficulty in construction of the support structure at the inlet and outlet pipelines of the compressor and low safety of the pipeline in the prior art, thereby reducing the height of the instrument installed on the pipeline structure, which is convenient for observation by the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Various other advantages and benefits will become apparent to those of ordinary skill in the art by reading the detailed description of the preferred embodiments below. The accompanying drawings are only for the purpose of illustrating the preferred embodiments and are not to be considered as limiting the present invention. Moreover, the same reference symbols are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0017] Figure 1 A schematic structural diagram of a compressor pipeline device provided by an embodiment of the present invention;

[0018] Figure 2 A schematic structural diagram of a pipe shoe in a compressor pipe device provided by an embodiment of the present invention;

[0019] Figure 3 A schematic side structural diagram of a tube shoe in a compressor piping device provided by an embodiment of the present invention;

[0020] Figure 4 A schematic structural diagram of a first position-limiting assembly in a compressor pipeline device provided in an embodiment of the present invention;

[0021] Figure 5 A schematic side structural diagram of a first position limiting assembly in a compressor pipeline device provided by an embodiment of the present invention;

[0022] Figure 6 A schematic structural diagram of a second position-limiting assembly in a compressor pipeline device provided in an embodiment of the present invention;

[0023] Figure 7 A schematic side structural diagram of a second limit stop assembly in a compressor pipeline device provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0024] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided in order to enable a more thorough understanding of the present disclosure and to be able to fully convey the scope of the present disclosure to those skilled in the art. It should be noted that, in the absence of conflict, the embodiments of the present invention and the features described in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0025] See also Figures 1 to 7 , the figure shows the preferred structure of the compressor pipeline device in this embodiment. As shown in the figure, the compressor pipeline device includes: two pipeline structures 1 and a support mechanism 2. Among them, the two pipeline structures 1 are detachably arranged on the inlet nozzle 3 and the outlet nozzle 4 of the compressor, that is, the inlet nozzle 3 of the compressor is provided with a pipeline structure 1, and the outlet nozzle 4 of the compressor is provided with a pipeline structure 1, and each pipeline structure 1 is detachably connected to the inlet nozzle 3 or the outlet nozzle 4 of the compressor.

[0026] The supporting mechanism 2 is disposed on the two pipeline structures 1 , and the supporting mechanism 2 is used to support the two pipeline structures 1 .

[0027] It can be seen that in the present embodiment, the two pipeline structures 1 are respectively detachably arranged at the inlet nozzle 3 and the outlet nozzle 4 of the compressor to realize the installation of the pipeline at the inlet nozzle 3 and the outlet nozzle 4 of the compressor. There is no need to set up a large-scale door-shaped steel structure for support. It is simple and convenient, reduces the height and span of the pipeline structure 1, and reduces the construction difficulty and workload. In addition, the supporting mechanism supports the two pipeline structures 1, improves the stability of the pipeline structure 1, and there is no need to set up spring supports and hangers, thereby ensuring the safety and reliability of the pipeline structure 1 during long-term operation, and solves the problem of high construction difficulty and low safety of the pipeline at the inlet and outlet pipelines of the compressor in the prior art, thereby reducing the height of the instrument installed on the pipeline structure 1, which is convenient for observation by the staff.

[0028] See also Figure 1Each pipeline structure 1 may include: a step-changing flange 11, a first elbow 12, a first straight pipe 13, a second straight pipe 14 and a connecting mechanism. The first end of the first elbow 12 is connected to the inlet nozzle 3 or the outlet nozzle 4 of the compressor through the step-changing flange 11, that is, the inlet nozzle 3 of the compressor is connected to the first end of the first elbow 12 through the step-changing flange 11, and the outlet nozzle 4 of the compressor is also connected to the first end of the first elbow 12 through the step-changing flange 11. The step-changing flange 11 transforms the pressure level of the inlet or outlet of the compressor to the corresponding pressure level of the pipeline structure 1, and the flange surface pressure level of the step-changing flange 11 is consistent with the pressure level of the inlet nozzle 3 or the outlet nozzle 4 of the compressor, so as to achieve reliable sealing between the step-changing flange 11 and the compressor nozzle.

[0029] The second end of the first elbow 12 is connected to the first end of the first straight pipe 13 , and the second end of the first straight pipe 13 is detachably connected to the second straight pipe 14 via a connecting mechanism.

[0030] Each supporting mechanism 2 is disposed on the corresponding second straight tube 14 to support the second straight tube 14 .

[0031] Preferably, each pipeline structure 1 further includes: a reducer 15. The reducer 15 is conical, the diameter of the top of the cone of the reducer 15 is smaller than the diameter of the bottom of the cone, and the center of the top of the cone and the center of the bottom of the cone are on the same straight line. Specifically, the reducer 15 can be a concentric reducer.

[0032] The conical top end of the reducer 15 is connected to the step-changing flange 11, and the conical bottom end of the reducer 15 is connected to the first end of the first elbow 12. Specifically, the conical top end of the reducer 15 is welded to the step-changing flange 11, and the conical bottom end of the reducer 15 is also welded to the first end of the first elbow 12. By providing the reducer 15, the change of the pipe size between the inlet nozzle 3 or the outlet nozzle 4 of the compressor and the first elbow 12 can be achieved, which plays a role in connection and transmission.

[0033] In specific implementation, the wall thickness of the flange welding neck of the step-changing flange 11 is consistent with the wall thickness of the conical top of the reducer 15 to meet the welding requirements of the reducer 15 and the step-changing flange 11. The wall thickness of the conical bottom of the reducer 15 is the same as the wall thickness of the first elbow 12.

[0034] In specific implementation, the step-changing flange 11 is arranged at the top of the cone of the reducer 15, and the step-changing flange 11 is connected to the inlet nozzle 3 or the outlet nozzle 4 of the compressor and connected through fasteners. The step-changing flange 11 and the inlet nozzle 3 or the outlet nozzle 4 of the compressor are both provided with a plurality of through holes, and the fasteners may include: washers, a plurality of bolts and a plurality of nuts. The washers are sandwiched between the nozzle of the compressor and the step-changing flange 11, and each bolt corresponds to each nut one by one, and each bolt is sequentially passed through the corresponding through hole and screwed with the nut.

[0035] The connection mechanism may include: a second elbow 16 and a third elbow 17. The first end of the second elbow 16 is connected to the second end of the first straight pipe 13, the first end of the third elbow 17 is connected to the second straight pipe 14, and the second end of the second elbow 16 is connected to the second end of the third elbow 17 via a flange 8, thereby realizing a detachable connection between the first straight pipe 13 and the second straight pipe 14, which is convenient for maintenance of the compressor.

[0036] In specific implementation, a flange is provided at the second end of the second elbow 16, and a flange is also provided at the second end of the third elbow 17. The two flanges are connected to each other, and a gasket is clamped between the two flanges. The two flanges are connected by a plurality of bolts and a plurality of nuts, and each bolt corresponds to each nut one by one. Each bolt is sequentially inserted into the corresponding bolt holes on the two flanges and is screwed to the nut.

[0037] During the specific implementation, stress analysis is performed on the pipeline structure 1 and the support mechanism 2 to analyze and calculate the forces on the pipeline structure 1, the support mechanism 2 and the compressor inlet and outlet nozzles under different working conditions. Specifically, check whether the pipeline force, pipeline frequency, pipeline displacement, flange leakage, support mechanism force, compressor nozzle force, etc. under different working conditions meet the requirements. If not, change the straight pipe length in the pipeline structure 1, the limit type of the support mechanism 2, etc. to meet the requirements, that is, to ensure the stable and safe operation of the pipeline.

[0038] It can be seen that in this embodiment, each pipeline structure 1 has a simple structure, and the inlet nozzle 3 or the outlet nozzle 4 of the compressor is connected to the second straight pipe 14 by using the first elbow 12, the first straight pipe 13 and the connecting mechanism, so as to realize the installation of the pipeline at the inlet nozzle 3 and the outlet nozzle 4 of the compressor, increase the flexibility of the pipeline structure 1, and reduce the height of the pipeline structure 1. The setting of the elbow not only changes the direction of the pipeline, but also reduces the stress on the pipeline.

[0039] See also Figure 1 Each second straight pipe 14 is arranged close to the compressor skid 5 , so that it is convenient for the staff to operate and maintain the temperature gauge and pressure gauge on the second straight pipe 14 on the compressor skid 5 .

[0040] A plurality of pressure gauges 6 and a plurality of temperature gauges 7 are arranged on each second straight pipe 14. Specifically, the pressure gauges 6 are arranged at intervals, and the temperature gauges 7 are also arranged at intervals. Each pressure gauge 6 and each temperature gauge 7 are arranged on the pipe wall of the second straight pipe 14 near the compressor skid 5, so that the staff can stand on the compressor skid 5 to observe each instrument and facilitate the maintenance of the instrument. In addition, each instrument is arranged at intervals to avoid obstruction of the instrument dial, thus meeting the minimum spacing requirement for welding on the pipeline. The pressure gauges 6 are used for measuring, displaying on-site and transmitting data remotely of the pipeline fluid pressure, and the temperature gauges 7 are used for measuring, displaying on-site and transmitting data remotely of the pipeline fluid temperature. In this way, on-site observation of pressure and temperature data can be achieved, which is convenient for instrument maintenance.

[0041] During specific implementation, there are three pressure gauges 6 and three temperature gauges 7 . Each pressure gauge 6 is disposed on the side wall of the second straight pipe 14 facing the compressor skid 5 , and each temperature gauge 7 is disposed on the top wall of the second straight pipe 14 .

[0042] See also Figures 1 to 7 Each support mechanism 2 may include: a bracket 21 and two tube shoes 22. The bottom of the bracket 21 ( Figure 1 The lower part shown in the figure) is connected to the deck, and two tube shoes 22 are placed on the top of the bracket 21 at intervals ( Figure 1 The two tube shoes 22 correspond to the two pipeline structures 1 one by one, and each tube shoe 22 is connected to the second straight pipe 12 in the corresponding pipeline structure 1. The bracket 21 supports the two tube shoes 22, and each tube shoe 22 plays a role in connecting the bracket 21 with the corresponding second straight pipe 14.

[0043] Preferably, a diagonal brace 23 is provided on one side of the bracket 21. The diagonal brace 23 is inclined, one end of the diagonal brace 23 is welded to the deck, and the other end of the diagonal brace 23 is connected to the side wall of the bracket 21. The diagonal brace 23 supports and strengthens the bracket 21, thereby improving the stability of the bracket 21. In specific implementation, whether the diagonal brace 23 is needed can be determined according to the magnitude of the axial force on the bracket 21.

[0044] In this embodiment, the net height of the bracket 21 is not less than 2 m, and the net width is not less than 0.8 m, which is convenient for the staff to pass through during daily compressor inspections.

[0045] Each tube shoe 22 includes: a bottom plate 221, a vertical plate 222 and an arc-shaped guard plate 223. The bottom plate 221 is placed on the top of the bracket 21. The first end ( Figure 2 The lower end shown in FIG. 2 is vertically arranged on the bottom plate 221, and the second end ( Figure 2The upper end of the vertical plate 222 is connected to the guard plate 223, and the guard plate 223 is connected to the corresponding second straight tube 14. Specifically, the length direction of the vertical plate 222 is consistent with the length direction of the second straight tube 14 ( Figure 2 The vertical plate 222 is perpendicular to the bottom plate 221, and the second end of the vertical plate 222 is connected to the middle position of the guard plate 223. The arc shape of the guard plate 223 matches the outer wall of the second straight tube 14, and the guard plate 223 and the second straight tube 14 are welded.

[0046] Preferably, each tube shoe 22 further includes: a plurality of reinforcing plates 224. Each reinforcing plate 224 is respectively disposed on two opposite sides of the vertical plate 222 ( Figure 3 The reinforcing plates 224 on each side of the vertical plate 222 are arranged along the length direction of the vertical plate 222.

[0047] In specific implementation, carbon steel can be selected for the bottom plate 221, the vertical plate 222 and the reinforcing plate 224. When the pipeline structure 1 is made of stainless steel, the material of the guard plate 223 is consistent with the material of the pipeline structure 1.

[0048] It can be seen that in this embodiment, the bottom plate 221 in the tube shoe 22 is placed on the top of the bracket 21, the guard plate 223 in the tube shoe 22 is connected to the second straight pipe 14, and the bracket 21 and the tube shoe 22 jointly support the second straight pipe 14, without the need to set a spring support bracket as in the prior art. Moreover, the structure of the tube shoe 22 is a rigid structure, and no elastic structure is set, so its safety will not be affected by changes in elastic force. In this way, the tube shoe 22 and the bracket 21 can effectively support the second straight pipe 14 to ensure the stability and safety of the second straight pipe 14.

[0049] See also Figures 1 to 7 A first limiting assembly and a second limiting assembly may be provided at each tube shoe 22. The first limiting assembly is used to limit the corresponding tube shoe 22 along the length direction of the second straight tube 14, and the second limiting assembly is used to limit the corresponding tube shoe 22 along the length direction perpendicular to the second straight tube 14.

[0050] Specifically, each first limiting assembly includes at least two first limiting plates 24. The first limiting plates 24 are arranged in pairs, that is, the first limiting plates 24 are an even number, two first limiting plates 24 form a pair, and each pair of first limiting plates 24 is arranged at intervals.

[0051] The two first limiting plates 24 in each pair are both disposed on the bottom plate 221. Specifically, the top surface ( Figure 2 The upper side of the base plate 221 is provided with a vertical plate 222, and the bottom side of the base plate 221 is provided with a vertical plate 222. Figure 2Two first limit plates 24 are arranged below the second straight tube 14. The two first limit plates 24 are parallel to each other, and the two first limit plates 24 are respectively arranged on both sides of the bracket 21 in the length direction of the second straight tube 14, that is, Figure 2 The left and right sides are shown. The two first limit plates 24 limit the tube shoe 22 in the length direction of the second straight tube 14. There is a preset distance between each first limit plate 24 and the bracket 21, and the preset distance can be determined according to actual conditions, and this embodiment does not impose any restrictions on this. In this embodiment, the distance between each first limit plate 24 and the bracket 21 is 3 mm.

[0052] In specific implementation, the bracket 21 is horizontally arranged at the bottom of the two second straight tubes 14, that is, the length direction of the bracket 21 is perpendicular to the length direction of the second straight tube 14, and the width direction of the bracket 21 is parallel to the length direction of the second straight tube 14. The width of the bracket 21 is smaller than the size of the bottom plate 221 in the length direction of the second straight tube 14. In this way, after the two first limit plates 24 are arranged on the bottom surface of the bottom plate 221, the distance between the two first limit plates 24 is greater than the width of the bracket 21, and each first limit plate 24 has a preset distance from the bracket 21.

[0053] In this embodiment, there are four first limiting plates 24, forming two pairs in total.

[0054] Each second limiting assembly includes at least two second limiting plates 25. The second limiting plates 25 are arranged in pairs, that is, the second limiting plates 25 are an even number, two second limiting plates 25 form a pair, and each pair of second limiting plates 25 is arranged at intervals.

[0055] The two second limiting plates 25 in each pair are arranged on the top of the bracket 21, the two second limiting plates 25 are parallel, and the two second limiting plates 25 are respectively placed on both sides of the tube shoe 22 in the length direction of the second straight tube 14, and the length direction of each second limiting plate 25 is parallel to the length direction of the second straight tube 14, so the two second limiting plates 25 limit the tube shoe 22 from the lateral direction of the second straight tube 14, wherein the lateral direction of the second straight tube 14 refers to the length direction of the second straight tube 14. In addition, there is a preset distance between each second limiting plate 25 and the tube shoe 22, and the preset distance can be determined according to actual conditions, and this embodiment does not impose any restrictions on this.

[0056] In this embodiment, there are four second limiting plates 25 , forming two pairs in total.

[0057] During specific implementation, the first limit assembly and the second limit assembly may be provided or not provided according to actual conditions, and this embodiment does not impose any limitation on this.

[0058] In summary, in the present embodiment, the two pipeline structures 1 are respectively detachably arranged at the inlet nozzle 3 and the outlet nozzle 4 of the compressor to realize the installation of the pipelines at the inlet nozzle 3 and the outlet nozzle 4 of the compressor, without setting up a large door-shaped steel structure for support, which is simple and convenient, reduces the height and span of the pipeline structure 1, and reduces the construction difficulty and workload, and the supporting mechanism 2 supports the two pipeline structures 1, improves the stability of the pipeline structure 1, and does not need to set up spring supports and hangers, thereby ensuring the safety and reliability of the long-term operation of the pipeline structure 1, and reduces the installation height of the temperature gauge and the pressure gauge, so as to realize the observation of real-time parameters on the compressor skid.

[0059] It should be noted that, in the description of the present invention, terms such as "up", "down", "left", "right", "inside" and "outside" indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings. This is only for the convenience of description and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be understood as a limitation on the present invention.

[0060] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0061] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A compressor piping device, characterized in that: include: Two pipeline structures (1) and a supporting mechanism (2); wherein, The two pipeline structures (1) are detachably arranged on the inlet nozzle (3) and the outlet nozzle (4) of the compressor respectively; The supporting mechanism (2) is arranged on the two pipeline structures (1) and is used to support the two pipeline structures (1).

2. The compressor piping device according to claim 1, characterized in that: Each of the pipeline structures (1) comprises: a step-changing flange (11), a first elbow (12), a first straight pipe (13), a second straight pipe (14) and a connecting mechanism; wherein: The first end of the first elbow (12) is connected to the inlet nozzle (3) or the outlet nozzle (4) of the compressor through the step-changing flange (11), the second end of the first elbow (12) is connected to the first end of the first straight pipe (13), and the second end of the first straight pipe (13) is detachably connected to the second straight pipe (14) through the connecting mechanism; Each of the supporting mechanisms (2) is arranged on a corresponding second straight tube (14).

3. The compressor piping device according to claim 2, characterized in that: Each of the pipeline structures (1) further comprises: a reducing pipe (15); wherein: The reducer (15) is conical, and the diameter of the top end of the cone of the reducer (15) is smaller than the diameter of the bottom end of the cone; The conical top end of the reducer (15) is connected to the step-changing flange (11), and the conical bottom end of the reducer (15) is connected to the first end of the first elbow (12).

4. The compressor piping device according to claim 2, characterized in that: The connecting mechanism comprises: a second elbow (16) and a third elbow (17); wherein, The first end of the second elbow (16) is connected to the second end of the first straight pipe (13); The first end of the third elbow (17) is connected to the second straight pipe (14); The second end of the second elbow (16) is flange-connected to the second end of the third elbow (17).

5. The compressor piping device according to claim 2, characterized in that: The support mechanism (2) comprises: a bracket (21) and two tube shoes (22); wherein: The two tube shoes (22) are placed at intervals on the top of the bracket (21), and the two tube shoes (22) correspond to the two pipeline structures (1) one by one, and each tube shoe (22) is connected to a corresponding second straight pipe (14); Each of the tube shoes (22) comprises: a bottom plate (221), a vertical plate (222) and an arc-shaped protective plate (223); wherein the bottom plate (221) is placed on the top of the bracket (21), the first end of the vertical plate (222) is vertically arranged on the bottom plate (221), the second end of the vertical plate (222) is connected to the protective plate (223), and the protective plate (223) is connected to the corresponding second straight tube (14).

6. The compressor piping arrangement according to claim 5, characterized in that: Each of the tube shoes (22) further includes: a plurality of reinforcing plates (224); wherein: Each of the reinforcing plates (224) is respectively arranged on two opposite sides of the vertical plate (222).

7. The compressor piping arrangement according to claim 5, characterized in that: A first limiting component and a second limiting component may be provided at each of the tube shoes (22), wherein the first limiting component is used to limit the tube shoe (22) along the length direction of the second straight tube (14); The second limiting assembly is used to limit the tube shoe (22) along a length direction perpendicular to the second straight tube (14).

8. The compressor piping arrangement according to claim 7, characterized in that: Each of the first limiting components comprises: at least two first limiting plates (24); wherein: The first limiting plates (24) are arranged in pairs, and the two first limiting plates (24) in each pair are arranged on the bottom plate (221) and are respectively placed on both sides of the bracket (21), and there is a preset distance between each first limiting plate (24) and the bracket (21).

9. The compressor piping arrangement according to claim 7, characterized in that: Each of the second limiting components comprises: at least two second limiting plates (25); wherein: The second limiting plates (25) are arranged in pairs, and the two second limiting plates (25) in each pair are arranged on the top of the bracket (21) and are respectively placed on both sides of the tube shoe (22), and there is a preset distance between each second limiting plate (25) and the tube shoe (22).

10. The compressor piping arrangement according to claim 2, characterized in that: Each of the second straight pipes (14) is arranged close to the compressor skid (5); Each of the second straight tubes (14) is provided with a plurality of pressure gauges (6) arranged at intervals and a plurality of temperature gauges (7) arranged at intervals.

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